Scientifically tested. Athlete approved. Zoot's Ultra 2.0 CRx Socks continue to top the charts as a favorite piece of gear by athletes all over the world. NEW - NanoGLIDE™ yarn knit into heel and toe reduces blistering and hot spots and keeps feet drier and more comfortable. Updated with graduated muscle-specific zones of compression to stabilize muscles, reduce damage during exercise, and improve performance. Keep your legs feeling fresh through training and racing with Zoot's Ultra 2.0 CRx Sock. See our Size Charts tab for circumferential sizing information.
NEW - NanoGLIDE™ yarn knit into heel and toe reduces blistering and hot spots and keeps feet drier and more comfortable
CRx = improved blood circulation
ZoneRx = increased oxygen delivery to muscles
BIOwrap = targeted muscle stabilization
Anatomically correct left and right foot construction allows targeted high-density cushioning where it's needed most
Achilles tendon support protects and prevents irritable tendons
Padded cushioning at heel and toe where maximum impact occurs
Compressive arch support to promote blood flow out of the foot and reduce fatigue
Seamless toe linking construction provides greater comfort
Air-zone for breathability on top of the foot
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